#if _MSC_VER >1000
#pragma once
#endif

#define PI 3.1415926
#define PI2 (6.2831852)
#define PI4 (12.5663704)
#define PI6 (18.8495556)
#define PI8 (25.1327408)
#define PI10 (31.415926)
#define PI12 (37.6991112)

#define COS(x) cos((0.017453292)*(double)x)
#define SIN(x) sin((0.017453292)*(double)x)

//#define T 0.5//rand()/RAND_MAX

